2.2
LED Indication
The Light Emitting Diode (LED) button indicate the line conditions by using lighting patterns.
Flashing light patterns
Flashing slowly
(60 flash/min)
Flashing moderately
(120 flash/min)
Flashing rapidly
(240 flash/min)
LED Indication on the INTERCOM Button
The table below shows the lighting patterns for intercom line conditions.
INTERCOM button
Off
Green On
Flashing Green Slowly
Flashing Green Moderately
Flashing Green Rapidly
LED Indication on the CO Button
The table below shows the lighting patterns for outside (CO) line conditions.
CO Button
Off
Green On
Flashing Green Slowly
Flashing Green Moderately
Flashing Red Rapidly
Red On
Flashing Red Slowly
BLF on DSS Button
The Busy Lamp Field (BLF) indicator button is red when the corresponding extension is busy.
This is available for flexible CO buttons assigned as DSS buttons on proprietary telephones
and DSS buttons on DSS console.
1 s
Intercom Line Condition
Idle
You are using the line.
You are holding a line.
Intercom call exclusive hold
Incoming intercom/doorphone call
Outside (CO) Line Condition
Idle
You are using the line.
You have a held call or Hold Recall.
You have one of the following:
(1) exclusive hold, (2) outside-to-outside (CO-to-CO) line call, or
(3) Conference, unattended
Incoming call
Other-use
Other hold*
— Item with a * is only available on a Single-CO button.
2-3
Appendix